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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
<a name="id2476275"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2>Name</h2>
<p>lwres_gai_strerror &#8212; print suitable error string</p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="funcsynopsis">
<pre class="funcsynopsisinfo">#include &lt;lwres/netdb.h&gt;</pre>
<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr>
<td><code class="funcdef">
char *
<b class="fsfunc">gai_strerror</b>(</code></td>
<td>int �</td>
<td>
<var class="pdparam">ecode</var><code>)</code>;</td>
</tr></table>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id2543361"></a><h2>DESCRIPTION</h2>
<p><code class="function">lwres_gai_strerror()</code>
      returns an error message corresponding to an error code returned by
      <code class="function">getaddrinfo()</code>.
      The following error codes and their meaning are defined in
      <code class="filename">include/lwres/netdb.h</code>.
      </p>
<div class="variablelist"><dl>
<dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt>
<dd><p>
              address family for hostname not supported
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt>
<dd><p>
              temporary failure in name resolution
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt>
<dd><p>
              invalid value for
              <code class="constant">ai_flags</code>
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt>
<dd><p>
              non-recoverable failure in name resolution
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt>
<dd><p><code class="constant">ai_family</code> not supported
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt>
<dd><p>
              memory allocation failure
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt>
<dd><p>
              no address associated with hostname
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt>
<dd><p>
              hostname or servname not provided, or not known
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt>
<dd><p>
              servname not supported for <code class="constant">ai_socktype</code>
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt>
<dd><p><code class="constant">ai_socktype</code> not supported
            </p></dd>
<dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt>
<dd><p>
              system error returned in errno
            </p></dd>
</dl></div>
<p>
      The message <span class="errorname">invalid error code</span> is returned if
      <em class="parameter"><code>ecode</code></em>
      is out of range.
    </p>
<p><code class="constant">ai_flags</code>,
      <code class="constant">ai_family</code>
      and
      <code class="constant">ai_socktype</code>
      are elements of the
      <span class="type">struct  addrinfo</span>
      used by
      <code class="function">lwres_getaddrinfo()</code>.
    </p>
</div>
<div class="refsect1" lang="en">
<a name="id2543576"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>,

      <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>,

      <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>,

      <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>.
    </p>
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